As President Obama gets set to leave office, take a look back at one of his most memorable moments when he didn't hold back in his final speech at the White House correspondents' dinner firing barbs at himself, Donald Trump, Justin Trudeau, Hillary Clinton, Bernie Sanders and Ted Cruz. For more info, please go to http://www.globalnews.ca/ Subscribe to Global News Channel HERE: http://bit.ly/20fcXDc Like Global News on Facebook HERE: http://bit.ly/255GMJQ Follow Global News on Twitter HERE: http://bit.ly/1Toz8mt